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INCOME (LOSS) PER COMMON SHARE
6 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
INCOME (LOSS) PER COMMON SHARE
5. income (Loss) PER COMMON SHARE

Basic income (loss) per common share is computed using the weighted average number of common shares outstanding. Diluted income (loss) per common share for the six month periods ended June 30, 2016 and 2015 is computed using the weighted-average number of common shares outstanding adjusted for the incremental shares attributed to outstanding options to purchase common stock, as well as unvested RSUs. Incremental shares of 26,940 were used in the calculation of diluted income per common share in the three months ended June 30, 2016. Incremental shares of 214,983 were not used in the calculation of diluted income per common share in the three month period ended June 30, 2016, as their exercise price was in excess of the Company’s average stock price for the respective period and, accordingly, these shares are not assumed to be exercised for the diluted earnings per share calculation, as they would be anti-dilutive. No incremental shares were used in the calculation of diluted income per common share in the six month period ended June 30, 2016, as the effect of incremental shares would be anti-dilutive. Incremental shares of 157,080 were used in the calculation of diluted income per common share in the three months ended June 30, 2015. Incremental share of 163,580 were not used in the calculation of diluted income per common share in the three month period ended June 30, 2015, as their exercise price was in excess of the Company’s average stock price for the respective period and, accordingly, these shares are not assumed to be exercised for the diluted earnings per share calculation, as they would be anti-dilutive. Incremental shares of 157,080 were used in the calculation of diluted income per common share in the six months ended June 30, 2015. Incremental shares of 163,580 were not used in the calculation of diluted income per common share in the six month period ended June 30, 2015, as their exercise price was in excess of the Company’s average stock price for the respective period and, accordingly, these shares are not assumed to be exercised for the diluted earnings per share calculation, as they would be anti-dilutive.